Severe bradycardia at the termination of seizure during electroconvulsive therapy.

Background: Few cases of asystole or severe bradycardia occurring after the termination of seizure in the third phase with the dominance of parasympathetic nervous system activity during electroconvulsive therapy (ECT) have been reported. We describe a case of severe bradycardia occurring at the termination of seizure.

Case Presentation: The patient had been diagnosed with bipolar disorder more than 9 years earlier.